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POWER
REQUIREMENTS
OPTION
01
SERIAL
TO
PARALLEL INTERFACE
Data and
control
information:
8 decades of data
in
4
line
BCD
weighted
1248, 3
line
decimal
point position,
print
command,
print
hold,
reset,
overflow and
time-base
information.
All
logic levels
TTL
compatible
.
OPTION
OM
FREQUENCY STANDARD
9442
Frequency:
5
MHz.
Ageing
Rate:
9
±
3
parts In
10
/
day averaged over
a
minimum
of
10 days
after
3
months continuous
operation
.
Warm-up
Time:
Better
than
±
2
parts in
10
within
6
minutes.
Temperafure
stability:
Better
than
±
3 parts
in
10
per
C
averaged
over
the
range -10
C
to
+45
C,
but operable
to
+ 55°C
.
OPTION
04C
FREQUENCY STANDARD
19-0834
Frequency:
5
MHz
.
Temperature
stability:
±
8
parts in
10*^
over temperature range
0°C
to
+
55 C.
±
3
parts in
10^ over temperature range
+20°C
to
+40°C.
Average
ageing
rate:
±
1
part
in
10*^
per
month
three
months
after
delivery but
less
than
±
1
part
in
10^
in
the
first
year.
9902
&
9906
Vol
.
1
Tech.
Spec.
(9)
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